Publications by authors named "Ayu S Muhamad"

This systematic review aimed to provide information on existing interventional studies that evaluate the efficacy of exercise in populations with increased cardiovascular disease (CVD) risk factors through immune functional perspectives. A literature search was conducted in four databases: PubMed, Scopus, Taylor & Francis and ScienceDirect from January 2012 to February 2023. The articles were screened and evaluated for quality before data were extracted.

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Article Synopsis
  • The study investigates the impact of a 12-week home-based circuit training (HBCT) program on health metrics in overweight/obese older adults with knee osteoarthritis (KOA) and type 2 diabetes (T2DM) during the COVID-19 lockdown.
  • It involves a randomized controlled trial with 70 participants divided into an intervention group (HBCT) and a no-exercise control group, assessing changes in cardiometabolic health, musculoskeletal fitness, and health-related quality of life (HRQoL).
  • Evaluations were done using various tests and blood samples to measure strength, mobility, lipid profiles, and overall well-being at different stages throughout the training.*
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Objective: To review the efficacy of exercise treatments on chronic obstructive pulmonary disease (COPD).

Data Sources: PubMed, Scopus, Science Direct, Ebscohost, SPORTDiscus, ProQuest, Web of Science.

Review Methods: A systematic review was performed to identify the relevant studies published from 2011 to 2023.

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Introduction: Carbohydrate (CHO) mouth rinsing can enhance sports performance through a central action mediated by receptors in the mouth. This study examined the effect of a CHO mouth rinse on salivary lysozyme concentrations, mood states and running performances.

Methods: Ten males recreational runners were randomised to three running trials with a 1 week recovery period between the trials.

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Brain Breaks Physical Activity Solutions (BBPAS) is a web-based structured physical activity (PA) video that is specifically designed for school settings and can stimulate a student's health and learning. The purpose of this study is to measure the effect of BBPAS on the stages of change, decisional balance, processes of change, self-efficacy and leisure-time exercise among Malay ethnic primary school children. A validated Malay version of three of the five constructs was derived with sound validity and was used in the present study.

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  • The transtheoretical model (TTM) is designed to guide intentional behavior change, and this study aimed to validate TTM questionnaires focusing on physical activity for Malaysian children.
  • The research involved 381 Malay students aged 10-12, with careful translation of the TTM into Malay and cultural adaptation to fit local primary school students.
  • Results showed good fit indices for various TTM components, but caution is advised when applying this model to children, as it is primarily validated in adult populations, resulting in a refined questionnaire with specific item counts for key dimensions.
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Article Synopsis
  • The study examines the impact of a physical activity video, called "brain breaks," on motivating primary school children in Malaysia to participate in physical activities.
  • It involved 335 students (159 boys and 176 girls, ages 10-11) who were divided into intervention and control groups, participating in 5-minute brain break sessions over four months.
  • Results showed significant improvements in enjoyment, competitiveness, appearance, and psychological condition for the intervention group, while the control group experienced a decline in motivation.
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Background: The study investigated the effects of isokinetic versus isotonic training among adolescent state-level weightlifters in terms of total leukocytes, total lymphocytes, and its subsets following 24 sessions of training program and a month following training program cessation.

Methods: Nineteen adolescent state-level weightlifters were assigned into isokinetic or isotonic groups. All participants were recruited from a pool of weightlifters with standardized training program provided by their coach.

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Introduction: Lysozyme is one of the salivary antimicrobial proteins which act as the "first line of defence" at the mucosal surface. The effects of prolonged exercise in the hot and cool environments among recreational athletes on salivary lysozyme responses are very limited in the literature, especially in the Asian countries.

Objective: To determine the effects of prolonged running in the hot and cool environments on selected physiological parameters and salivary lysozyme responses among recreational athletes.

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To our knowledge, the efficacy of combined probiotic supplementation with circuit training has not been evaluated. Thus, we investigated the effects of probiotic supplementation combined with circuit training on isokinetic muscular strength and power and cytokine responses in young males. Forty-eight healthy sedentary young males were recruited and randomised into 4 separate groups: sedentary placebo control, probiotics (P), circuit training with placebo (CT), and circuit training with probiotics (CTP).

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Background: Growing evidence suggests that probiotics may have positive benefits on immune responses following endurance exercise. However, little attention has been given to its possible beneficial effects on immune responses following resistance exercise.

Methods: Forty-one healthy sedentary males were recruited and randomised into four groups: sedentary control with placebo (C), probiotics (P), circuit training with placebo (Ex), and circuit training with probiotics (PEx) groups.

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The purpose of this study was to examine sex differences in oral-respiratory mucosal immunity and the incidence, severity and duration of upper respiratory symptoms (URS) episodes in endurance athletes during a 16-week winter training period. Blood was collected from 210 subjects (147 men and 63 women) at the start and end of the study for determination of differential leukocyte counts. Timed collections of unstimulated saliva were obtained at the start and at 4-week intervals during the study period.

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The use of herbs as ergogenic aids in exercise and sport is not novel. Ginseng, caffeine, ma huang (also called 'Chinese ephedra'), ephedrine and a combination of both caffeine and ephedrine are the most popular herbs used in exercise and sports. It is believed that these herbs have an ergogenic effect and thus help to improve physical performance.

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